amplitude modulator

简明释义

爹器

英英释义

An amplitude modulator is a device that varies the amplitude of a carrier wave in accordance with the amplitude of an input signal, typically used in communication systems to transmit information.

幅度调制器是一种设备,它根据输入信号的幅度变化载波的幅度,通常用于通信系统中传输信息。

例句

1.An amplitude modulator can help in reducing noise in audio transmission.

一个幅度调制器可以帮助减少音频传输中的噪声。

2.The radio station uses an amplitude modulator to transmit its signals effectively.

这个广播电台使用幅度调制器有效地传输信号。

3.We learned how to build an amplitude modulator during our electronics class.

在我们的电子课上,我们学习了如何构建一个幅度调制器

4.The amplitude modulator plays a crucial role in analog communication systems.

在模拟通信系统中,幅度调制器起着至关重要的作用。

5.In our project, we designed an amplitude modulator to improve signal clarity.

在我们的项目中,我们设计了一个幅度调制器来提高信号清晰度。

作文

In the world of communication technology, the concept of an amplitude modulator (幅度调制器) plays a crucial role in the transmission of information. This device is essential for modulating signals, allowing for the effective transfer of audio, video, and data over various media. Understanding how an amplitude modulator (幅度调制器) works can provide insights into the foundations of modern communication systems.An amplitude modulator (幅度调制器) operates by varying the amplitude of a carrier wave in accordance with the information signal being sent. The carrier wave is a high-frequency signal that serves as a basis for transmitting the information. By altering the amplitude of this wave, the amplitude modulator (幅度调制器) encodes the information onto the carrier, making it suitable for transmission over long distances.One of the primary applications of an amplitude modulator (幅度调制器) is in radio broadcasting. In traditional AM radio, the audio signal from a microphone is used to modulate the amplitude of a carrier wave. As the audio signal fluctuates, the amplitude of the carrier wave changes correspondingly. This modulated signal can then be transmitted through the airwaves, where it can be received by a radio receiver, which demodulates the signal back into the original audio form.The efficiency of an amplitude modulator (幅度调制器) is paramount in ensuring that the transmitted signal maintains its integrity over distance. Factors such as noise, interference, and signal degradation can affect the quality of the received signal. Therefore, engineers must design amplitude modulators (幅度调制器) that minimize these issues, ensuring clear and consistent communication.Digital communication systems have also adopted the principles of amplitude modulation (幅度调制) in various forms. For instance, in digital television broadcasting, the video and audio signals are modulated onto a carrier wave using advanced techniques that build upon traditional amplitude modulation (幅度调制). These methods enhance the quality of the signal and enable the transmission of multiple channels within the same frequency band.Moreover, the advent of software-defined radio (SDR) has revolutionized how amplitude modulators (幅度调制器) are implemented. SDR technology allows for the modulation process to be performed through software rather than hardware components. This flexibility enables rapid adaptation to changing communication standards and improves the overall efficiency of the system.In conclusion, the amplitude modulator (幅度调制器) is a fundamental component in the field of communication technology. Its ability to encode information onto a carrier wave has paved the way for advancements in radio, television, and digital communications. As technology continues to evolve, the principles behind amplitude modulation (幅度调制) will remain relevant, driving innovation and enhancing our ability to connect across vast distances. By understanding the workings of an amplitude modulator (幅度调制器), we gain a deeper appreciation for the complexities of modern communication systems and the engineering behind them.

在通信技术的世界中,幅度调制器amplitude modulator)的概念在信息传输中扮演着至关重要的角色。该设备对于调制信号至关重要,使得音频、视频和数据能够通过各种媒体有效传输。理解幅度调制器amplitude modulator)的工作原理可以为我们提供现代通信系统基础的深刻见解。幅度调制器amplitude modulator)通过根据所发送的信息信号变化载波的幅度来运行。载波是一个高频信号,作为传输信息的基础。通过改变这个波的幅度,幅度调制器amplitude modulator)将信息编码到载波上,使其适合长距离传输。幅度调制器amplitude modulator)的主要应用之一是在广播中。在传统的AM广播中,来自麦克风的音频信号用于调制载波的幅度。随着音频信号的波动,载波的幅度相应地变化。这个调制信号可以通过无线电波传输,随后被收音机接收,接收器将信号解调回原始音频形式。幅度调制器amplitude modulator)的效率在确保传输信号在距离上的完整性方面至关重要。噪声、干扰和信号衰减等因素可能会影响接收信号的质量。因此,工程师必须设计出能够最小化这些问题的幅度调制器amplitude modulator),以确保清晰和一致的通信。数字通信系统也采用了幅度调制(amplitude modulation)原理的多种形式。例如,在数字电视广播中,视频和音频信号通过先进的技术调制到载波上,这些技术建立在传统的幅度调制(amplitude modulation)之上。这些方法提高了信号的质量,并使得在同一频带内传输多个频道成为可能。此外,软件定义无线电(SDR)的出现彻底改变了幅度调制器amplitude modulator)的实现方式。SDR技术允许通过软件而非硬件组件进行调制过程。这种灵活性使得系统能够快速适应不断变化的通信标准,提高了整体效率。总之,幅度调制器amplitude modulator)是通信技术领域的基本组成部分。它将信息编码到载波上的能力为无线电、电视和数字通信的进步铺平了道路。随着技术的不断发展,幅度调制(amplitude modulation)背后的原理将继续保持相关性,推动创新,增强我们在广阔距离上连接的能力。通过理解幅度调制器amplitude modulator)的工作原理,我们对现代通信系统的复杂性和其背后的工程有了更深的理解。

相关单词

amplitude

amplitude详解:怎么读、什么意思、用法

modulator

modulator详解:怎么读、什么意思、用法